Chapa, Rodrigo
Current rating: 1463
Record: 6-8-1
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Campbell, Aaron (1641) | Lost 0-2 | -151463 |
| top | record: 0-1 | new rating: 1463 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 559 | Belisle, Christopher (1447) | Lost 1-2 | -191478 |
| 2modern | 650 | Scarpa, Alexander (1487) | Draw 1-1 | 01478 |
| top | average opponent: 1467record: 0-1-1 | new rating: 1478 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Anderson, Brandon (1483) | Won 2-1 | +181518 |
| 2standard | 239 | Holt, Chad (1516) | Lost 1-2 | -181500 |
| 3standard | 373 | Silva, Carlos (1409) | Won 2-0 | +161516 |
| 4standard | 302 | Crow, Quincy (1464) | Lost 1-2 | -191497 |
| top | average opponent: 1468record: 2-2 | new rating: 1497 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Perales, Nicholas (1500) | Won 2-1 | +181518 |
| 2standard | 113 | Andrup, Alex (1514) | Lost 0-2 | -181500 |
| 3standard | 254 | Blackmon, Nathan (1482) | Won 2-1 | +181518 |
| 4standard | 122 | Schelling, Joseph (1501) | Won 2-1 | +171535 |
| 5standard | 106 | Britt, John Marshall (1536) | Won 2-1 | +181553 |
| 6standard | 59 | Kelley, Scotty (1581) | Lost 1-2 | -171536 |
| 7standard | 129 | Macaraeg, Tad (1542) | Lost 0-2 | -181518 |
| 8standard | 170 | Ramirez, Erick (1517) | Lost 0-2 | -181500 |
| top | average opponent: 1522record: 4-4 | new rating: 1500 | ||